title: Letter: efficacy and safety of biphasic insulin aspart 30/70 in type 2 diabetes suboptimally controlled on oral antidiabetic therapy in Korea: a multicenter, open-label, single-arm study (diabetes metab j 2013;37:117-24).
authors.affiliation: Division of Endocrinology and Metabolism, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Byung-Wan
authors.initials: BW
authors.lastname: Lee